Home / 143,346,510.64-197,833,363.02-87,624,547.96

Finding the Fourth Proportional to 143,346,510.64, 197,833,363.02 and 87,624,547.96

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Solution

The fourth proportional to 143,346,510.64, 197,833,363.02 and 87,624,547.96 is: 120,931,154.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,346,510.64 : 197,833,363.02 = 87,624,547.96 : x
  2. Step 2: Convert to fraction form
    143,346,510.64/197,833,363.02 = 87,624,547.96/x
  3. Step 3: Cross multiply
    143,346,510.64x = 197,833,363.02 × 87,624,547.96
  4. Step 4: Simplify right side
    143,346,510.64x = 17,335,059,006,034,080
  5. Step 5: Solve for x
    x = 17,335,059,006,034,080/143,346,510.64
  6. Step 6: Final answer
    x = 120,931,154.37

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.