Home / 186,029,547.20-279,044,320.80-56,636,129.60

Finding the Fourth Proportional to 186,029,547.20, 279,044,320.80 and 56,636,129.60

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Solution

The fourth proportional to 186,029,547.20, 279,044,320.80 and 56,636,129.60 is: 84,954,194.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,029,547.20 : 279,044,320.80 = 56,636,129.60 : x
  2. Step 2: Convert to fraction form
    186,029,547.20/279,044,320.80 = 56,636,129.60/x
  3. Step 3: Cross multiply
    186,029,547.20x = 279,044,320.80 × 56,636,129.60
  4. Step 4: Simplify right side
    186,029,547.20x = 15,803,990,316,972,776
  5. Step 5: Solve for x
    x = 15,803,990,316,972,776/186,029,547.20
  6. Step 6: Final answer
    x = 84,954,194.40

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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.