Home / 132,391,397.16-182,701,809.48-72,859,547.52

Finding the Fourth Proportional to 132,391,397.16, 182,701,809.48 and 72,859,547.52

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Solution

The fourth proportional to 132,391,397.16, 182,701,809.48 and 72,859,547.52 is: 100,547,100.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,391,397.16 : 182,701,809.48 = 72,859,547.52 : x
  2. Step 2: Convert to fraction form
    132,391,397.16/182,701,809.48 = 72,859,547.52/x
  3. Step 3: Cross multiply
    132,391,397.16x = 182,701,809.48 × 72,859,547.52
  4. Step 4: Simplify right side
    132,391,397.16x = 13,311,571,169,798,044
  5. Step 5: Solve for x
    x = 13,311,571,169,798,044/132,391,397.16
  6. Step 6: Final answer
    x = 100,547,100.91

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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.