Home / 157,161,698.20-235,742,547.30-118,897,946.20

Finding the Fourth Proportional to 157,161,698.20, 235,742,547.30 and 118,897,946.20

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Solution

The fourth proportional to 157,161,698.20, 235,742,547.30 and 118,897,946.20 is: 178,346,919.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,161,698.20 : 235,742,547.30 = 118,897,946.20 : x
  2. Step 2: Convert to fraction form
    157,161,698.20/235,742,547.30 = 118,897,946.20/x
  3. Step 3: Cross multiply
    157,161,698.20x = 235,742,547.30 × 118,897,946.20
  4. Step 4: Simplify right side
    157,161,698.20x = 28,029,304,705,926,356
  5. Step 5: Solve for x
    x = 28,029,304,705,926,356/157,161,698.20
  6. Step 6: Final answer
    x = 178,346,919.30

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.